O Test: Unit 1 Exam_CH1 2 Question 8 of 15 This test: 48 point(s) possible This question: 1 point(s) possible Submit test he accompanying frequency polygon represents the number of a country's residents below 100 years of age. Complete Age of population Click the icon to view the frequency polygon. 48- (Type a whole number.) 44- 40- (b) What is the midpoint of the second class? What are the lower and upper limits of the second class? Assume the lowe 36- The midpoint of the second class is Frequency (millions) (Type a whole number.) The lower limit of the second class is . The upper limit of the second class is (Type whole numbers.) (c) What is the midpoint of the next to last class? What are the lower and upper limits of the next to last class? Assume -5 15 25 35 45 65 75 85 95 105 Age The midpoint of the next to last class is (Type a whole number.) The lower limit of the next to last class is . The upper limit of the next to last class is (Type whole numbers.) Print Done (d) Which age group has the highest population? 90 99 X More